Click on the third or sixth rank to set the en passant target square.

EGTB: win in 14 half-moves

# move score
1 b5 win in 13 half-moves
2 Nh8 loss in 6 half-moves
3 Ka6 loss in 4 half-moves
4 Kab8 loss in 4 half-moves
5 Kba7 loss in 4 half-moves
6 Kbb8 loss in 4 half-moves
7 Kaa7 loss in 3 half-moves
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Ne5 loss in 2 half-moves
12 Ne7 loss in 2 half-moves
13 Nf4 loss in 2 half-moves
14 Nf8 loss in 2 half-moves
15 Nh4 loss in 2 half-moves